01840nam 2200349Ia 450 99638618370331620200824132005.0(CKB)4940000000076967(EEBO)2240954765(OCoLC)ocm12394868e(OCoLC)12394868(EXLCZ)99494000000007696719850816d1659 uy |engurbn||||a|bb|Geometrical dyalling, or, Dyalling performed by a line of chords onely, or by the plain scale[electronic resource] wherein is contained two several methods of inscribing the hour-lines in all plains, with the substile, stile and meridian, in their proper coasts and quantities : being a full explication and demonstration of divers difficulties in the works of learned Mr. Samuel Foster deceased ... : whereto is added four new methods of calculation, for finding the requisites in all leaning plains ... : also how by projecting the sphere, to measure off all the arks found by calculation ... : lastly, the making of dyals from three shadows of a gnomon ... /written by John Collins ..London Printed by Thomas Johnson for Francis Cossines and are to be sold at his shop ... also to be sold by Henry Sutton ...1659[6], 82, (i.e. 80) p. ill., platesReproduction of original in the University of Illinois (Urbana-Champaign Campus). Library.Errata: p. 82.eebo-0167DialingEarly works to 1800DialingCollins John1625-1683.796507EAAEAAm/cWaOLNBOOK996386183703316Geometrical dyalling, or, Dyalling performed by a line of chords onely, or by the plain scale2422414UNISA